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syscall.py
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# Copyright 2017 Sasha Goldshtein # Copyright 2018 Red Hat, Inc. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """syscall.py contains functions useful for mapping between syscall names and numbers""" import subprocess import platform # # Syscall table for Linux x86_64, not very recent. # Automatically generated from strace/linux/x86_64/syscallent.h using the # following command: # # cat syscallent.h | awk -F, '{ gsub(/[ \t"}]/, "", $4); # gsub(/[\[\] \t{]/, "", $1); split($1, a, "="); # print " "a[1]": b\""$4"\","; } # BEGIN { print "syscalls = {" } # END { print "}" '} syscalls = { 0: b"read", 1: b"write", 2: b"open", 3: b"close", 4: b"stat", 5: b"fstat", 6: b"lstat", 7: b"poll", 8: b"lseek", 9: b"mmap", 10: b"mprotect", 11: b"munmap", 12: b"brk", 13: b"rt_sigaction", 14: b"rt_sigprocmask", 15: b"rt_sigreturn", 16: b"ioctl", 17: b"pread64", 18: b"pwrite64", 19: b"readv", 20: b"writev", 21: b"access", 22: b"pipe", 23: b"select", 24: b"sched_yield", 25: b"mremap", 26: b"msync", 27: b"mincore", 28: b"madvise", 29: b"shmget", 30: b"shmat", 31: b"shmctl", 32: b"dup", 33: b"dup2", 34: b"pause", 35: b"nanosleep", 36: b"getitimer", 37: b"alarm", 38: b"setitimer", 39: b"getpid", 40: b"sendfile", 41: b"socket", 42: b"connect", 43: b"accept", 44: b"sendto", 45: b"recvfrom", 46: b"sendmsg", 47: b"recvmsg", 48: b"shutdown", 49: b"bind", 50: b"listen", 51: b"getsockname", 52: b"getpeername", 53: b"socketpair", 54: b"setsockopt", 55: b"getsockopt", 56: b"clone", 57: b"fork", 58: b"vfork", 59: b"execve", 60: b"exit", 61: b"wait4", 62: b"kill", 63: b"uname", 64: b"semget", 65: b"semop", 66: b"semctl", 67: b"shmdt", 68: b"msgget", 69: b"msgsnd", 70: b"msgrcv", 71: b"msgctl", 72: b"fcntl", 73: b"flock", 74: b"fsync", 75: b"fdatasync", 76: b"truncate", 77: b"ftruncate", 78: b"getdents", 79: b"getcwd", 80: b"chdir", 81: b"fchdir", 82: b"rename", 83: b"mkdir", 84: b"rmdir", 85: b"creat", 86: b"link", 87: b"unlink", 88: b"symlink", 89: b"readlink", 90: b"chmod", 91: b"fchmod", 92: b"chown", 93: b"fchown", 94: b"lchown", 95: b"umask", 96: b"gettimeofday", 97: b"getrlimit", 98: b"getrusage", 99: b"sysinfo", 100: b"times", 101: b"ptrace", 102: b"getuid", 103: b"syslog", 104: b"getgid", 105: b"setuid", 106: b"setgid", 107: b"geteuid", 108: b"getegid", 109: b"setpgid", 110: b"getppid", 111: b"getpgrp", 112: b"setsid", 113: b"setreuid", 114: b"setregid", 115: b"getgroups", 116: b"setgroups", 117: b"setresuid", 118: b"getresuid", 119: b"setresgid", 120: b"getresgid", 121: b"getpgid", 122: b"setfsuid", 123: b"setfsgid", 124: b"getsid", 125: b"capget", 126: b"capset", 127: b"rt_sigpending", 128: b"rt_sigtimedwait", 129: b"rt_sigqueueinfo", 130: b"rt_sigsuspend", 131: b"sigaltstack", 132: b"utime", 133: b"mknod", 134: b"uselib", 135: b"personality", 136: b"ustat", 137: b"statfs", 138: b"fstatfs", 139: b"sysfs", 140: b"getpriority", 141: b"setpriority", 142: b"sched_setparam", 143: b"sched_getparam", 144: b"sched_setscheduler", 145: b"sched_getscheduler", 146: b"sched_get_priority_max", 147: b"sched_get_priority_min", 148: b"sched_rr_get_interval", 149: b"mlock", 150: b"munlock", 151: b"mlockall", 152: b"munlockall", 153: b"vhangup", 154: b"modify_ldt", 155: b"pivot_root", 156: b"_sysctl", 157: b"prctl", 158: b"arch_prctl", 159: b"adjtimex", 160: b"setrlimit", 161: b"chroot", 162: b"sync", 163: b"acct", 164: b"settimeofday", 165: b"mount", 166: b"umount2", 167: b"swapon", 168: b"swapoff", 169: b"reboot", 170: b"sethostname", 171: b"setdomainname", 172: b"iopl", 173: b"ioperm", 174: b"create_module", 175: b"init_module", 176: b"delete_module", 177: b"get_kernel_syms", 178: b"query_module", 179: b"quotactl", 180: b"nfsservctl", 181: b"getpmsg", 182: b"putpmsg", 183: b"afs_syscall", 184: b"tuxcall", 185: b"security", 186: b"gettid", 187: b"readahead", 188: b"setxattr", 189: b"lsetxattr", 190: b"fsetxattr", 191: b"getxattr", 192: b"lgetxattr", 193: b"fgetxattr", 194: b"listxattr", 195: b"llistxattr", 196: b"flistxattr", 197: b"removexattr", 198: b"lremovexattr", 199: b"fremovexattr", 200: b"tkill", 201: b"time", 202: b"futex", 203: b"sched_setaffinity", 204: b"sched_getaffinity", 205: b"set_thread_area", 206: b"io_setup", 207: b"io_destroy", 208: b"io_getevents", 209: b"io_submit", 210: b"io_cancel", 211: b"get_thread_area", 212: b"lookup_dcookie", 213: b"epoll_create", 214: b"epoll_ctl_old", 215: b"epoll_wait_old", 216: b"remap_file_pages", 217: b"getdents64", 218: b"set_tid_address", 219: b"restart_syscall", 220: b"semtimedop", 221: b"fadvise64", 222: b"timer_create", 223: b"timer_settime", 224: b"timer_gettime", 225: b"timer_getoverrun", 226: b"timer_delete", 227: b"clock_settime", 228: b"clock_gettime", 229: b"clock_getres", 230: b"clock_nanosleep", 231: b"exit_group", 232: b"epoll_wait", 233: b"epoll_ctl", 234: b"tgkill", 235: b"utimes", 236: b"vserver", 237: b"mbind", 238: b"set_mempolicy", 239: b"get_mempolicy", 240: b"mq_open", 241: b"mq_unlink", 242: b"mq_timedsend", 243: b"mq_timedreceive", 244: b"mq_notify", 245: b"mq_getsetattr", 246: b"kexec_load", 247: b"waitid", 248: b"add_key", 249: b"request_key", 250: b"keyctl", 251: b"ioprio_set", 252: b"ioprio_get", 253: b"inotify_init", 254: b"inotify_add_watch", 255: b"inotify_rm_watch", 256: b"migrate_pages", 257: b"openat", 258: b"mkdirat", 259: b"mknodat", 260: b"fchownat", 261: b"futimesat", 262: b"newfstatat", 263: b"unlinkat", 264: b"renameat", 265: b"linkat", 266: b"symlinkat", 267: b"readlinkat", 268: b"fchmodat", 269: b"faccessat", 270: b"pselect6", 271: b"ppoll", 272: b"unshare", 273: b"set_robust_list", 274: b"get_robust_list", 275: b"splice", 276: b"tee", 277: b"sync_file_range", 278: b"vmsplice", 279: b"move_pages", 280: b"utimensat", 281: b"epoll_pwait", 282: b"signalfd", 283: b"timerfd_create", 284: b"eventfd", 285: b"fallocate", 286: b"timerfd_settime", 287: b"timerfd_gettime", 288: b"accept4", 289: b"signalfd4", 290: b"eventfd2", 291: b"epoll_create1", 292: b"dup3", 293: b"pipe2", 294: b"inotify_init1", 295: b"preadv", 296: b"pwritev", 297: b"rt_tgsigqueueinfo", 298: b"perf_event_open", 299: b"recvmmsg", 300: b"fanotify_init", 301: b"fanotify_mark", 302: b"prlimit64", 303: b"name_to_handle_at", 304: b"open_by_handle_at", 305: b"clock_adjtime", 306: b"syncfs", 307: b"sendmmsg", 308: b"setns", 309: b"getcpu", 310: b"process_vm_readv", 311: b"process_vm_writev", 312: b"kcmp", 313: b"finit_module", 314: b"sched_setattr", 315: b"sched_getattr", 316: b"renameat2", 317: b"seccomp", 318: b"getrandom", 319: b"memfd_create", 320: b"kexec_file_load", 321: b"bpf", 322: b"execveat", 323: b"userfaultfd", 324: b"membarrier", 325: b"mlock2", 326: b"copy_file_range", 327: b"preadv2", 328: b"pwritev2", 329: b"pkey_mprotect", 330: b"pkey_alloc", 331: b"pkey_free", 332: b"statx", 333: b"io_pgetevents", 334: b"rseq", } # Try to use ausyscall if it is available, because it can give us an up-to-date # list of syscalls for various architectures, rather than the x86-64 hardcoded # list above. def _parse_syscall(line): parts = line.split() return (int(parts[0]), parts[1].strip()) try: # Skip the first line, which is a header. The rest of the lines are simply # SYSCALL_NUM\tSYSCALL_NAME pairs. out = subprocess.check_output(['ausyscall', '--dump'], stderr=subprocess.STDOUT) # remove the first line of expected output out = out.split(b'\n',1)[1] syscalls = dict(map(_parse_syscall, out.strip().split(b'\n'))) except Exception as e: if platform.machine() == "x86_64": pass else: raise Exception("ausyscall: command not found") def syscall_name(syscall_num): """Return the syscall name for the particular syscall number.""" return syscalls.get(syscall_num, b"[unknown: %d]" % syscall_num)